John L. Stensby, Ph.D.


John StensbyProfessor Emeritus
Electrical & Computer Engineering

Office:
Phone:
Fax:
E-mail:

EB 217I
(256) 824-6258
(256) 824-6803
stensbj@uah.edu


Education

1981
1976
1972

     Ph.D.
     MSE
     BSEE

     Texas A&M University, College Station, TX
     The University of Alabama in Huntsville
     The University of Alabama, Tuscaloosa, AL

Biography

coming soon

Research Expertise

Communications Theory and Systems, Phase Lock Techniques and Synchronization Methods/Theory, Radio Frequency (RF) Design, Applied Mathematics

Honors & Awards

  • IEEE Outstanding Educator Award 1995 (IEEE Huntsville Section)

  • Wernher Von Braun Faculty Fellow (1984-1986)

Recent Publications

J. P. Lanza, Y. Shtessel, J. Stensby, Improved acquisition in a phase-locked loop using sliding mode control techniques, Vol. 352, Issue 10, October 2015, pp. 4188–4204.

 

P. Lanza, J. Stensby, Y. Shtessel, An Exact Formula for the Maximum VCO Sweep Rate of a PLL Journal of the Franklin Institute, Sept. 2014 (Issue 351), pp. 4495-4513.

 

A. Huque, J. Stensby, An Anlytical Approximation to Pull-out Frequency of a PLL Employing Sinusoidal Phase Detector, ETRI Journal, Vol. 35, no.2, April 2013.

J. Stensby, PLL Bifurcation Analysis via Smooth Periodic Extension, 44th Symposium on System Theory, Jacksonville, FL, March 2012.

A. Huque, J. Stensby, An Exact Formula for the Pull-Out Frequency of a 2nd-Order Type II Phase Lock Loop, IEEE Communications Letters, Vol. 15, No. 12, Dec. 2011.

J. Stensby, An Exact Formula for the Half-Plane Pull-In Range of a PLL, Journal of the Franklin Institute, Vol. 348, Issue 4, May 2011.

A. Huque and J. Stensby, Comparison of Pull-out Frequencies of 2nd-order Type II PLLs Southeastcon 2011, Nashville, TN, March 2011

J. Stensby, Computing the Half-Plane Pull-In Range of a PLL, 42th Southeastern Symposium on System Theory, Tyler, TX, March 2010.

J. Stensby, VCO Sweep-Rate Limit for a Phase-Lock Loop, Journal of the Franklin Institute, Vol. 346, Issue 3, April 2009.

J. Stensby, “Computing the VCO Sweep Rate Limit for a Second-Order PLL,” Southeastcon 2008, Huntsville, AL, April 2008.

J. Stensby, “A Simplified Algorithm for Computing the Half-Plane Pull In Range of a PLL,” 40th Southeastern Symposium on System Theory, New Orleans, 2008.

J. Stensby, An Approximation of the Pull-Out Frequency Parameter in a Second-Order PLL, SSST2006, Cookville, TN, March 2006.

J. Stensby, An Improved Lock Detector for Phase-Locked Communication Receivers, Journal of the Franklin Institute, Volume 342, Issue 2, March 2005.

J.Stensby, Near Real-Time Signal Processing in the Classroom Using a Sound Card Equipped Personal. SSST2005, Tuskegee, AL, March 2005.

 

E. Masters, J. Stensby, Dual Tone-Pair Modulation for Narrow-Band Data Transmission. SSST2005, Tuskegee, AL, March 2005.

 

J.L. Stensby, Phase Locked Loops, Theory and Application, CRC Press, Boca Raton, FL, 1997 (ISBN: 0-8493-9471-6).

B. Harb, J.L. Stensby, The Half-Plane Pull-In Range of a Second-Order Phase-Locked Loop, Journal of the Franklin Institute, Vol. 333, No. 2, pp. 191-199, 1996.

J.L. Stensby, B. Harb, Computing the Half-Plane Pull-In Range of Second-Order PLLs, Electronics Letters, Vol. 31, No. 11, May 25, 1995.

J.L. Stensby, Saddle Node Bifurcation at a Nonhyperbolic Limit Cycle In a Phase Locked Loop, Journal of the Franklin Institute, Vol. 330, No. 5, pp. 775-786, Sept.1993.